A
plug in x = -1 to both sides and you get 1 as the answer for both sides.
How to find the surface area of Rectangular Prisms:
<span>Find the area of two sides (Length*Height)*2 sidesFind the area of adjacent sides (Width*Height)*2 sidesFind the area of ends (Length*Width)*2 ends<span>Add the three areas together to find the surface area.
I hope this helps :)</span></span>